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Founded over 100 years ago, ELM is a member-based, non-profit organization. ELM is dedicated to protecting the health of our environment and citizenry by safeguarding the land, water and air of our Commonwealth. ELM is focused on environmental advocacy and strengthening the voice and effectiveness of the environmental community. ELM advocates for strong environmental laws and regulations on the broad range of environmental issues, voices the concerns of citizens, ensures that laws are properly implemented and enforced and educates the public.

Mission: To preserve, protect and enhance the open spaces of Brookline, Massachusetts. The Brookline GreenSpace Alliance is a nonprofit environmental advocacy and education organization formed in 1987 by a group of concerned citizens to preserve, protect and enhance the open spaces of Brookline, Massachusetts. Since that time, we have grown to be an alliance of over 600 members, and 37 park friends groups, neighborhood associations and community groups working to care for the parks, open spaces and natural resources in Brookline. We work to achieve our mission by advocating for policies, by-laws and practices that promote the use, health and beauty of our natural environment; by supporting and encouraging the formation of park friends groups, and by providing educational opportunities for the community to learn about and get involved in the protection and stewardship of our precious open space.

Thompson Island Outward Bound is a not-for-profit organization whose primary purpose is to provide adventurous and challenging experiential learning programs that inspire character development, compassion, community service, environmental responsibility, and academic achievement. Our organization principally serves early adolescents from all economic and social communities of greater metropolitan Boston, and the institutions and adults who serve them.

Boston Harbor Island Alliance promotes the use, enjoyment, and awareness of the Boston Harbor Islands national park area by creating vibrant public spaces, facilities, and public events on the islands, raising and managing the public and private resources necessary to do so.

The Paleontological Research Institution pursues and integrates education and research, and interprets the history and systems of the Earth and its life, to increase knowledge, educate society, and encourage wise stewardship of the Earth.

Land use preservation in Northern Baltimore County and enlightened public policy to keep the North County green!

The mission of Dumbarton Oaks Park Conservancy is to restore, promote and maintain Dumbarton Oaks Park in partnership with Rock Creek Park of the National Park Service.

The Alliance for Water Efficiency is a stakeholder-based 501(c)(3) non-profit organization dedicated to the efficient and sustainable use of water. Headquartered in Chicago, the Alliance serves as a North American advocate for water efficient products and programs, and provides information and assistance on water conservation efforts.

Urban Ecosystem Restorations, Inc. (UER) is a 501(c)(3) nonprofit urban land trust, formed to work with landowners across the greater washington, D.C. area to preserve or develop green spaces that serve multiple, integrated ecosystem functions — also known as eco-functioning spaces (EFS)* — and then to protect these spaces, and their functions, over time.

The Delaware Center for Horticulture cultivates a greener community, inspiring appreciation and improvement of our environment through horticulture, education, and conservation.

CLIR is an independent, nonprofit organization that forges strategies to enhance research, teaching, and learning environments in collaboration with libraries, cultural institutions, and communities of higher learning.

Planting Peace has orphanages in Haiti and India, works to de-worm children in impoverished countries and supports equality for all people.